PAUL RODRIGUEZ, STAFF PHOTOGRAPHERTom Trager, Laguna Beach Marine Safety Captain, is working with NOAA to track specific elements and better forecast hazardous surf conditions.I )ata-gatheringlifeguards are teamingup with scientists to keep beachgoers safe.BY ERIKA I. RITCHIESTAFF WRITERlaguna beach • On a recent day Marine Safety Capt. Torn Trager kept an eye on a dying southwest swell with increasing northwest winds during a yellow-flag day -meaning ocean conditions wererough - at Treasure Island Beach.A couple visiting from Canada and staying at the Montage Resort waved dourn Trager. They were scouting for a site for an upcoming family reunion and wanted to know what beach would be safest for their grandchildren.- “We’re not ocean-educated,” said Gavla Rogers from Calgary, Alberta. “We’ve got four grandchildren and we want to take them somewhere where they can play inWHAT BEACH FLAGS MEANGreen: Mild ocean hazards with possibility of occasional larger waves and rip currents.Yellow: Moderate ocean hazards with frequent large waves and rip currents. Should be an experienced swimmer or surfer with proper equipment to enter into the surf zone.Red: Extremely hazardous ocean conditions with large powerful waves and strong rip currents. Only expert swimmers and surfers withproper equipment should enter the water.SEE rip•page 6